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Add INTEGER_MINUS and INETEGER_MULT.

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This commit is contained in:
zjkree
2024-12-24 03:58:50 +01:00
parent 4cc20edf96
commit 92e353dcda
2 changed files with 144 additions and 8 deletions
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test/Push3Interpreter.t.sol
+104 -3
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@@ -2,6 +2,7 @@
pragma solidity ^0.8.20;
import {Test} from "forge-std/Test.sol";
import "forge-std/console.sol";
import {Push3Interpreter} from "../src/Push3Interpreter.sol";
/**
@@ -32,7 +33,7 @@ contract Push3InterpreterTest is Test {
* So total = 1 + 2 + (1+4 + 1+4 + 1) = 14 bytes
* => 0x03 00 0B 02 00 00 00 0A 02 00 00 00 20 01
*/
function test_LiteralsAndPlus() public {
function test_LiteralsAndPlus() public view {
// The final code array (14 bytes):
// [0] = 0x03
// [1..2] = 0x000B
@@ -63,8 +64,8 @@ contract Push3InterpreterTest is Test {
// Run it
(
uint256[] memory finalCodeStack,
uint256[] memory finalExecStack,
,
,
int256[] memory finalIntStack
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
@@ -72,4 +73,104 @@ contract Push3InterpreterTest is Test {
assertEq(finalIntStack.length, 1, "finalIntStack should have length 1");
assertEq(finalIntStack[0], 42, "Should be 10+32=42");
}
/**
* @notice Test pushing literal 10, literal 3, then INTEGER_MINUS => (10 - 3) = 7
*
* The plan:
* 0x03 => SUBLIST token
* 0x00 0x0B => subLen=11
*
* Then 11 bytes:
* 0x02 + (00 00 00 0A) => INT_LITERAL(10)
* 0x02 + (00 00 00 03) => INT_LITERAL(3)
* 0x04 => INTEGER_MINUS (assuming 0x04 is assigned to minus)
*/
function test_Minus() public view {
// We'll produce 14 total bytes, same structure as the plus example
// Format: [0x03, 0x000B, 0x02(10), 0x03(3), 0x04 => minus]
bytes memory code = hex"03000B020000000A020000000304";
// Breaking it down:
// 0x03 => SUBLIST
// 0x00 0x0B => length=11
// 0x02 0000000A => INT_LITERAL(10)
// 0x02 00000003 => INT_LITERAL(3)
// 0x04 => INTEGER_MINUS
// We'll parse offset=0, length=14
uint256 sublistDesc = interpreter.makeDescriptor(
Push3Interpreter.CodeTag.SUBLIST,
0, // offset
14, // length
0
);
uint256[] memory initCodeStack = new uint256[](0);
uint256[] memory initExecStack = new uint256[](1);
initExecStack[0] = sublistDesc;
int256[] memory initIntStack = new int256[](0);
// Run
(
,
,
int256[] memory finalIntStack
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
// Check final result => should be [7]
assertEq(finalIntStack.length, 1, "finalIntStack should have length 1");
assertEq(finalIntStack[0], 7, "Should be 10 - 3 = 7");
}
/**
* @notice Test pushing literal 10, literal 3, then INTEGER_MULT => (10 * 3) = 30
*
* The plan:
* 0x03 => SUBLIST token
* 0x00 0x0B => subLen=11
*
* Then 11 bytes:
* 0x02 + (00 00 00 0A) => INT_LITERAL(10)
* 0x02 + (00 00 00 03) => INT_LITERAL(3)
* 0x05 => INTEGER_MULT
*/
function test_Mult() public view {
// We'll produce 14 total bytes, same structure as the plus example
// Format: [0x03, 0x000B, 0x02(10), 0x03(3), 0x05 => mul]
bytes memory code = hex"03000B020000000A020000000305";
// Breaking it down:
// 0x03 => SUBLIST
// 0x00 0x0B => length=11
// 0x02 0000000A => INT_LITERAL(10)
// 0x02 00000003 => INT_LITERAL(3)
// 0x05 => INTEGER_MUL
// We'll parse offset=0, length=14
uint256 sublistDesc = interpreter.makeDescriptor(
Push3Interpreter.CodeTag.SUBLIST,
0, // offset
14, // length
0
);
uint256[] memory initCodeStack = new uint256[](0);
uint256[] memory initExecStack = new uint256[](1);
initExecStack[0] = sublistDesc;
int256[] memory initIntStack = new int256[](0);
// Run
(
,
,
int256[] memory finalIntStack
) = interpreter.runInterpreter(code, initCodeStack, initExecStack, initIntStack);
// Check final result => should be [30]
assertEq(finalIntStack.length, 1, "finalIntStack should have length 1");
assertEq(finalIntStack[0], 30, "Should be 10 * 3 = 30");
}
}